/*
* INSANE - Interactive Structural Analysis Environment
*
* Copyright (C) 2003-2005
* Universidade Federal de Minas Gerais
* Escola de Engenharia
* Departamento de Engenharia de Estruturas
* 
* Author's email :    insane@dees.ufmg.br
* Author's website :  http://www.dees.ufmg.br/insane
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package br.ufmg.dees.insane.solution;


/** 
 * A class defining a
 *
 * @author Fuina, Jamile & Pitangueira, Roque
 * @since July 2005
 */
/**
 * @author jamile
 *
 */
public class OrthogonalResidueControl implements IteractiveStrategy {
    
	private Step step;
    private double loadFactor;
    private double lambda;
    
    public OrthogonalResidueControl() {
    } 
    
    /**
     * @param loadFactor the load factor adopted to the Orthogonal Residue Control Strategy
     */
    public OrthogonalResidueControl(double loadFactor) {
		this.loadFactor = loadFactor;
    }  
    
    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#getPredictor()
     */
    public double getPredictor(){
    	lambda = this.loadFactor;    	
    	return lambda;			
    }	

    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#getCorrector()
     */
    public double getCorrector(){
    	lambda = ((OrthogonalResidueStandardNewtonRapson) this.step).getCsi() * ((OrthogonalResidueStandardNewtonRapson) this.step).getdIncFactor();
    	return lambda;    	
    }
    
    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#getLoadFactor()
     */
    public double getLoadFactor() {
        return loadFactor;
    }
    	
    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#setLoadFactor(double)
     */
     public void setLoadFactor(double lf){
    	this.loadFactor = lf;
    }
     
     /* (non-Javadoc)
      * @see br.ufmg.dees.insane.solution.IteractiveStrategy#getLambda()
      */
     public double getLambda() {
         return lambda;
     }
           
    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#setStep(Step)
     */
    public void setStep(Step sp){
    	this.step = sp;
    }
    
    /* (non-Javadoc)
     * @see br.ufmg.dees.insane.solution.IteractiveStrategy#getStep()
     */
    public Step getStep(){
    	return step;
    }

}
